Former elite windsurfer who participated into the 92’s Barcelona Olympic Games - former amateur soccer player. Prof. Chamari is one of the most active researchers in the world of football. His major field of expertise is monitoring training loads in professional soccer players. He authored more than 60 scientific manuscripts and 4 book chapters. He has been fitness coach with professional players for more than 8 years in one of the most prestigious professional soccer clubs in Tunisia (Club Africain). He has also been fitness coach of the Tunisian Youth National soccer teams and scientific consultant of the Tunisian Football Federation in 2004, when Tunisia won its first African Cup of Nations.